- Joined
- 27 Sep 2004
- Messages
- 1,300
- Reaction score
- 83
- Country
Not done much to Central heating systems before, but could someone explain the difference between wiring for Y plan, S Plan C Plan etc etc.
Is it up to me which plan I do, or does it depend on how the plumber has plumbed it??
Many Thanks.
Is it up to me which plan I do, or does it depend on how the plumber has plumbed it??
Many Thanks.